OBS Crius II Dual Coil RTA is a 4ml rebuildable tank atomizer with 25mm
diameter. It also adopts easy top side refill, adjustable bottom
airflow, detachable structure and high-tech Zirconia piece just like the
original Crius II RTA. The new dual coil version supports dual coil
building for intense flavor and violent vapor production. It has juice
flow control function so that you can you use different PG/VG ratio
e-liquids for better vaping experience.